A Sonic Boom Occurs Only as an Airplane Just Reaches

question 423

True/False

A sonic boom occurs only as an airplane just reaches the speed of sound in air, but not after it
increases its speed further.

---

Definitions:

Sex-limited

Traits or characteristics that are expressed in only one sex, even though the genes for these traits might exist in both sexes.

Sex-linked

Referring to traits genetically determined by genes located on sex chromosomes.

Autosomal

Pertaining to any of the chromosomes except the sex chromosomes; relating to genes that are located on the autosomes.

Recessive

A term used to describe a gene that expresses its trait only when paired with an identical gene.